Xtenzi Sony Radio Wire Harness WX-GT80UI CDX-GT575UP MEX-BT4100P CDX-GS500R MEX-GS600BT CDX-GT710HD WX-GT90BT CDX-GT270MP CDX-GT570UP MEX-BT3100P CDX-GT470UM Xtenzi Sony Premium Harness will work with select brand Aftermarket radio to prevent uninterrupted audio performance. Work with WX-GT80UI CDX-GT575UP MEX-BT4100P CDX-GS500R MEX-GS600BT CDX-GT710HD WX-GT90BT CDX-GT270MP CDX-GT570UP MEX-BT3100P CDX-GT470UM Main Harness Function is to connect/Install an Aftermarket Stereo. Great if original harness is damaged or lost 4 PAIR SPEAKER WIRES, PARKING BRAKE WIRE,BATTERY, ACCESSORY,GROUND REMOTE Pre-stripped wires to keep wire ends neat & uniform for EZ installation